Description
The fix for CVE-2019-11599, affecting the Linux kernel before 5.0.10 was not complete. A local user could use this flaw to obtain sensitive information, cause a denial of service, or possibly have other unspecified impacts by triggering a race condition with mmget_not_zero or get_task_mm calls.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Linux kernel | kernel | < 5.0.10 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | linux-hwe-edge | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | linux +3 | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | kernel-rt +12 | 4.18.0-147.5.1.rt24.98.el8_1 | RHSA-2020:0328 |
| RHEL 8 | perf +26 | 4.18.0-147.5.1.el8_1 | RHSA-2020:0339 |
| RHEL 7 | kernel-rt +10 | 3.10.0-1062.12.1.rt56.1042.el7 | RHSA-2020:0375 |
| RHEL 7 | perf +18 | 3.10.0-1062.12.1.el7 | RHSA-2020:0374 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | perf +19 | 4.18.0-147.5.1.el8_1 | ELSA-2020-0339 |
| Oracle Linux 7 | kernel-uek +5 | 4.1.12-124.43.4.el7uek | ELSA-2020-5866, ELSA-2020-5845 |
| Oracle Linux 7 | kernel-uek-tools +3 | 4.14.35-1902.306.2.el7uek | ELSA-2020-5845 |
| Oracle Linux 7 | perf +12 | 3.10.0-1062.12.1.el7 | ELSA-2020-5845, ELSA-2020-0374 |
Advisories 8
- RHSA-2020:0375 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2020:0374 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2020:0328 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2020:0339 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- ELSA-2020-5866 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Oct 6, 2020
- ELSA-2020-5845 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Sep 11, 2020
- ELSA-2020-0339 Important: kernel security and bug fix update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Feb 7, 2020
- ELSA-2020-0374 Important: kernel security and bug fix update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Feb 5, 2020
References
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.114
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.37
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.10
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1790
- https://security.netapp.com/advisory/ntap-20200608-0001/
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14898